US Geological Survey visual mark

Title: Long Valley Observatory

Well CW-3: Long Valley Caldera, California

Provisional Data! Subject to Revision

Water Levels since 1987 at USGS observation well Chance Well #3 (CW-3)

Hydrographs for well CW-3, based on unfiltered daily mean values

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U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://lvo.wr.usgs.gov/ChanceWell.html
Contact: Long Valley Web Team
Last modification: 26 February 2003 (MS)